Footwear sole



FIG. 1 is a perspective view of a footwear sole in accordance with the new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a side elevation view thereof; and,

FIG. 7 is an alternate side elevation view thereof, showing the side opposing that shown in FIG. 6.

The broken lines shown in the drawings are only provided to illustrate the environment of the design and form no part of the claimed design. 

CLAIM The ornamental design for a footwear sole, as shown and described. 